Table 4. Country-based distribution (n=70, %) of articles (n=1597) published from 2002 to June 2020.

n
% of 1597

USA

349

21.853 %

AUSTRALIA

183

11.459 %

ENGLAND

172

10.770 %

SPAIN

141

8.829 %

BRAZIL

109

6.825 %

JAPAN

99

6.199 %

FRANCE

80

5.009 %

CANADA

76

4.759 %

GERMANY

69

4.321 %

PORTUGAL

63

3.945 %

TURKEY

61

3.820 %

AUSTRIA

52

3.256 %

ITALY

49

3.068 %

SOUTH KOREA

46

2.880 %

GREECE

45

2.818 %

NEW ZEALAND

41

2.567 %

PEOPLES R CHINA

38

2.379 %

FINLAND

32

2.004 %

POLAND

31

1.941 %

TAIWAN

27

1.691 %

BELGIUM

26

1.628 %

SLOVENIA

26

1.628 %

SWITZERLAND

25

1.565 %

IRAN

18

1.127 %

TUNISIA

18

1.127 %

CROATIA

17

1.064 %

NETHERLANDS

17

1.064 %

QATAR

17

1.064 %

SOUTH AFRICA

17

1.064 %

SWEDEN

17

1.064 %

WALES

15

0.939 %

MALAYSIA

14

0.877 %

ESTONIA

13

0.814 %

SCOTLAND

12

0.751 %

CHILE

11

0.689 %

LITHUANIA

11

0.689 %

SINGAPORE

11

0.689 %

IRELAND

10

0.626 %

NORTH IRELAND

10

0.626 %

NORWAY

10

0.626 %

SERBIA

10

0.626 %

CZECH REPUBLIC

9

0.564 %

HUNGARY

9

0.564 %

INDIA

6

0.376 %

ISRAEL

6

0.376 %

DENMARK

5

0.313 %

INDONESIA

3

0.188 %

COLOMBIA

2

0.125 %

KOSOVA

2

0.125 %

RUSSIA

2

0.125 %

SAUDI ARABIA

2

0.125 %

SLOVAKIA

2

0.125 %

BOSNIA HERCEG

1

0.063 %

BULGARIA

1

0.063 %

COSTA RICA

1

0.063 %

CYPRUS

1

0.063 %

ECUADOR

1

0.063 %

EGYPT

1

0.063 %

ICELAND

1

0.063 %

KENYA

1

0.063 %

LIECHTENSTEIN

1

0.063 %

MACEDONIA

1

0.063 %

MEXICO

1

0.063 %

MONTENEGRO

1

0.063 %

NEPAL

1

0.063 %

NIGERIA

1

0.063 %

PHILIPPINES

1

0.063 %

ROMANIA

1

0.063 %

U. ARAB EMIRATES

1

0.063 %

UKRAINE

1

0.063 %